From 238a1ced2c8dc778f44e20fa0ae433c519e3c524 Mon Sep 17 00:00:00 2001
From: Robert Lefebvre <robert.lefebvre@gmail.com>
Date: Thu, 7 Jun 2012 22:55:47 -0400
Subject: [PATCH] TradHeli adding ramp up time to Ch8 Throttle Pass-through.

---
 libraries/AP_Motors/AP_MotorsHeli.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/libraries/AP_Motors/AP_MotorsHeli.cpp b/libraries/AP_Motors/AP_MotorsHeli.cpp
index 71b97c89d6..133e258818 100644
--- a/libraries/AP_Motors/AP_MotorsHeli.cpp
+++ b/libraries/AP_Motors/AP_MotorsHeli.cpp
@@ -490,10 +490,16 @@ void AP_MotorsHeli::ext_esc_control()
 	switch ( AP_MOTORS_ESC_MODE_PASSTHROUGH ) {
 
 		case AP_MOTORS_ESC_MODE_PASSTHROUGH: 																	
-			if( armed() ){
-				_rc->OutputCh(AP_MOTORS_HELI_EXT_ESC, _rc_8->radio_in);		
-			} else {
+			if( armed() && _rc_8->control_in > 10 ){
+				if (ext_esc_ramp < AP_MOTORS_EXT_ESC_RAMP_UP){
+					ext_esc_ramp++;
+					ext_esc_output = map(ext_esc_ramp, 0, AP_MOTORS_EXT_ESC_RAMP_UP, 1000, _rc_8->control_in);
+				} else {
+					ext_esc_output = _rc_8->control_in;
+				}	
+			} else if( !armed() ) {
 				_rc->OutputCh(AP_MOTORS_HELI_EXT_ESC, _rc_8->radio_min);
+				ext_esc_ramp = 0;	//Return ESC Ramp to 0
 			}
 		break;